/*!	 renderer_dragbox.h
**	 Renderer_Dragbox classe is used to display in the workarea
**  the interactive selection box, and select workarea objects (actually handles)
**  accordingly to the shift/control modifier keys.
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**  Copyright (c) 2015 Blanchi Jérôme
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_RENDERER_DRAGBOX_H
#define __SYNFIG_RENDERER_DRAGBOX_H

#include "workarearenderer.h"
#include "duckmatic.h"
#include <vector>
#include <synfig/vector.h>
#include <synfig/guidset.h>

#define DRAGBOX_COLOR_OUTLINE      Gdk::Color("#000000")

namespace studio
{

class Renderer_Dragbox : public studio::WorkAreaRenderer
{

public:
    ~Renderer_Dragbox();

    // Redraw the drag box
    void render_vfunc(const Glib::RefPtr<Gdk::Window>& drawable, const Gdk::Rectangle& expose_area);
    // Catch some mouse events to select objects (handles) in the workarea
    bool event_vfunc(GdkEvent* event);

    const synfig::Point& get_drag_point()const;
    const synfig::Point& get_curr_point()const;

private:
    // Context of workarea objects for selection process
    DuckList handles_selected_;
    DuckList handles_all_;
    synfig::GUIDSet handles_selected_guid_;

    // Used to catch a new drag box sequence
    bool drag_paused;

protected:
    bool get_enabled_vfunc()const;
};

}; // END of namespace studio

#endif